Mechanical Faults - Wilo Yonos GIGA-N 80 Installation And Operating Instructions Manual

en
Fault indications
Key
12.1

Mechanical faults

66
Faults, causes and remedies
ƒ
Telephone or written support.
ƒ
On-site support.
ƒ
Inspection and repair at the factory.
Costs may be incurred if you request customer services! Please contact customer ser-
vices for more information.
For faults, causes and remedies, see the "Fault/warning message" flow diagram in the
"Acknowledging errors" chapter and the following tables. The first column of the table
lists the code numbers displayed in the event of a fault.
NOTICE
Some faults resolve themselves automatically if the cause of the fault is no longer
present.
The following types of errors can occur with differing priorities (1 = lowest priority; 6 =
highest priority):
Error type Description
A fault is present; the pump stops immediately. The
A
fault must be acknowledged at the pump.
A fault is present; the pump stops immediately. The
counter is increased and a timer counts down. After the
B
6th error event, the error becomes a final fault. The
fault must be acknowledged at the pump.
A fault is present; the pump stops immediately. If the
fault persists for more than 5 minutes, the counter is
C increased. After the 6th error event, the error becomes
a final fault. The fault must be acknowledged at the
pump. Otherwise the pump restarts automatically.
The same as fault type A, but with lower priority.
D
Emergency operation: warning with emergency opera-
E
tion speed and activated SSM
Warning – pump continues to run
F
Table 23: Error types
Error index Description
Delivery rate too low
1
Bearing temperature too high
2
Pump housing leakage
3
Shaft seal leakage
4
Pump does not run smoothly or is loud
5
Pump temperature too high
6
Table 24: Error index
1 2 3 4 5 6 Cause
Counterpressure too high – Check system for contamin-
X
X X Pump and/or piping not
X
completely filled
X X Inlet pressure too low or
negative suction head too
high
X
Priority
6
5
4
3
2
1
Remedy
ants
– Reset the duty point
– Vent pump and fill suction
line
– Correct the fluid level
– Minimise resistances in the
suction line
– Clean filter
– Reduce negative suction
head by installing the pump
lower
WILO SE 2020-10